﻿#if NETSTANDARD

//
// System.Configuration.ConfigurationLocation.cs
//
// Authors:
//	Duncan Mak (duncan@ximian.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//

using System.Collections;

namespace System.Configuration
{
    public class ConfigurationLocationCollection : ReadOnlyCollectionBase
    {
        internal ConfigurationLocationCollection()
        {
        }

        public ConfigurationLocation this[int index]
        {
            get { return InnerList[index] as ConfigurationLocation; }
        }

        internal void Add(ConfigurationLocation loc)
        {
            InnerList.Add(loc);
        }

        internal ConfigurationLocation Find(string location)
        {
            foreach (ConfigurationLocation loc in InnerList)
                if (string.Compare(loc.Path, location, StringComparison.OrdinalIgnoreCase) == 0)
                    return loc;
            return null;
        }

        internal ConfigurationLocation FindBest(string location)
        {
            if (string.IsNullOrEmpty(location))
                return null;

            ConfigurationLocation bestMatch = null;
            var locationlen = location.Length;
            var bestmatchlen = 0;

            foreach (ConfigurationLocation loc in InnerList)
            {
                var lpath = loc.Path;
                if (string.IsNullOrEmpty(lpath))
                    continue;

                var lpathlen = lpath.Length;
                if (location.StartsWith(lpath, StringComparison.OrdinalIgnoreCase))
                {
                    // Exact match always takes precedence
                    if (locationlen == lpathlen)
                        return loc;

                    // ensure path based comparisons consider full directory names (i.e. so 'admin' does not match an 'administration' path)
                    if (locationlen > lpathlen && location[lpathlen] != '/')
                        continue;

                    if (bestMatch == null)
                        bestMatch = loc;
                    else if (bestmatchlen < lpathlen)
                    {
                        bestMatch = loc;
                        bestmatchlen = lpathlen;
                    }
                }
            }

            return bestMatch;
        }
    }
}

#endif